function checkIntro(){
	var summary = document.getElementById("summary").value;
	var desc = document.getElementById("desc").value;
	if(summary.length == 0 || desc.length == 0){
		alert("请输入相关信息后再提交!");
		return false;
	}
}
function checkProd(){
	var name = document.getElementById("name").value;
	var nameEN = document.getElementById("nameEN").value;
	var nameJP = document.getElementById("nameJP").value;
	var introduction = document.getElementById("introduction").value;
	var introductionEN = document.getElementById("introductionEN").value;
	var introductionJP = document.getElementById("introductionJP").value;
	var picture = document.getElementById("picture").value;
	
	if(name.length == 0 || nameEN.length == 0 || nameJP.length == 0 || introduction.length == 0 || introductionEN.length == 0 || introductionJP.length == 0 || picture.length == 0){
		alert("请填写相关信息后再提交!");
		return false;
	}
}
function checkNews(){
	var title = document.getElementById("title").value;
	var content = document.getElementById("content").value;
	if(title.length == 0 || content.length == 0){
		alert("请输入相关信息后再提交!");
		return false;
	}
}
function checkImg(){
	var picture = document.getElementById("picture").value;
	if(picture.length == 0){
		alert("请输入相关信息后再提交!");
		return false;
	}
}